Upper portion of a plastic bottle



FIG. 1 is a side elevation view of a first side a plastic bottle having an upper portion in accordance with the present invention, all sides of the bottle haivng the same appearence; and,

FIG. 2 is a top plan view of the bottle shown in the prior figures.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

I claim the ornamental design for the upper portion of a plastic bottle, as shown and described. 